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Subtract 8/42 from 3/75

3/75 - 8/42 is -79/525.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 42 is 1050
  2. For the 1st fraction, since 75 × 14 = 1050,
    3/75 = 3 × 14/75 × 14 = 42/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    8/42 = 8 × 25/42 × 25 = 200/1050
  4. Subtract the two fractions:
    42/1050 - 200/1050 = 42 - 200/1050 = -158/1050
  5. After reducing the fraction, the answer is -79/525

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